Maintenance - General information
16
Checking/replacing rolls
16.7
BiG Pack 870 HDP XC
Original Operating Instructions 150000760_00_en
247
16.7
Checking/replacing rolls
The rolls in the packer on the right and left machine side are subject to high mechanical loads.
Therefore, it is necessary to replace them in case of increased wear (bearing play).
Observe the intervals for inspection of the rolls,
.
Checking
1
2
3
4
5
BP000-470
The wobbling movements (2) and the axial play (3) of the roll can be checked by disburden the
roll (1). In order to disburden the roll (1), it (1) must be visible in the opening (5) of the packer
frame. Lift the roll (1) with a mounting lever.
A roll must be replaced under the following circumstances:
•
The roll is broken or bent.
•
The roll runs roughly.
•
If the roll wobbles (2) (outer ring to axle).
•
If the roll has an axial play (3) of ≥1 mm.
•
If the shell surface (4) of the roll shows wear:
Nominal diameter of roll in mm
Wear in mm
47
2
72
3
